The word coke has several possible meanings:

• In industrial chemistry, coke refers to a type of refined coal. It is used to make pig iron as part of the steel-making process.
• In modern English language slang, coke is a term for cocaine.
• Coke is an often-generically-used trade name for Coca-Cola, and claimed by the company as a trademark, since 1945. Coca-Cola originally included cocaine, a derivative of the coca plant as an ingredient (hence the name "Coca-Cola").
• 17th century entrepreneur and jurist Edward Coke.